Katsunori Wakabayashi Last updated: Dec 28, 2019 at 12:28
Profile K. Wakabayashi gained his Ph.D in 2000 from the University of Tsukuba in Japan. From 2000 to 2009 he was an Assistant Professor at Department of Quantum Matter in Hiroshima University, Japan. From 2009 to 2015, he was an Independent Scientist at World Premier Research Center Initiative for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS) in Tsukuba, Japan. From 2015, he is a full professor at Department of Nanotechnology for Sustainable Energy in School of Science and Technology at Kwansei Gakuin University. Beside the above primary research position, he was a visiting scholar at ETH-Zurich, Switzerland from 2003 to 2005, also had a concurrent position as PRESTO researcher in Japan Science and Technology Agency (JST). His main research interests are condensed matter theory especially focusing on the electronic transport and magnetism in nanoscale scale systems. Also, he is known due to the contributions to the theoretical works for nano-graphene and graphene nanoribbons. His total citation accumulates over 7700.
Awards & Honors
Feb 2017
JSPS Prize, Japan Society for the Promotion of Science
Mar 2012
Young Scientist Award, The Physical Society of Japan
Apr 2010
The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, The Young Scientists' Prize, Ministry of Education, Culture, Sports, Science and Technology (MEXT)
Mar 2003
PTP-JPSJ Best Paper Awards, The Physical Society of Japan
Academic & Professional Experience
Jul 2019
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Today
Guest Professor, CSRN, Osaka University
Apr 2015
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Today
Full Professor, Department of Nanotechnology for Sustainable Energy, Kwansei Gakuin University
Apr 2015
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Today
Visiting Researcher, National Institute for Materials Science (NIMS)
Jun 2009
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Mar 2015
Independent Scientist, WPI Center for Materials Nanoarchitectonics(MANA), National Institute for Materials Science(NIMS)
Jun 2009
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Mar 2015
MANA Independent Scientist, WPI Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS)
Education
Apr 1995
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Mar 2000
University of Tsukuba
Apr 1991
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Mar 1995
College of Engineering Sciences, University of Tsukuba
Committee Memberships
Jun 2010
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Feb 2011
Graphene Workshop in Tsukuba 2011 Organizing Committee Member and Co-chairman
May 2009
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Apr 2010
The Physical Society of Japan Steering Committee ( Division 7 )
Jun 2008
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Mar 2009
Okazaki Conference 2009 Organizing Committee Member
Research Grants & Projects
JSPS: Grant-in-Aid for Scientific Research (B)
Project Year: Apr 2018 - Mar 2021 Investigator(s): Katsunori Wakabayashi
Project Year: Nov 2017 - Mar 2020 Investigator(s): Katsunori Wakabayashi
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Project Year: Apr 2015 - Mar 2018 Investigator(s): Katsunori Wakabayashi
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Project Year: Apr 2013 - Mar 2018 Investigator(s): Riichiro Saito
Grant-in-Aid for Challenging Exploratory Research
Project Year: Apr 2015 - Mar 2017 Investigator(s): Katsunori Wakabayashi
Published Papers
Daichi Obana, Feng Liu, Katsunori Wakabayashi
Physical Review B 100 Aug 2019
© 2019 American Physical Society. The Su-Schrieffer-Heeger (SSH) model on a two-dimensional square lattice exhibits a topological phase transition which is related to the Zak phase determined by bulk band topology. The strong modulation of electro...
Yasutomo Ota, Feng Liu, Ryota Katsumi, Katsuyuki Watanabe, Katsunori Wakabayashi, Yasuhiko Arakawa, Satoshi Iwamoto
Optica 6 786-789 Jun 2019
© 2019 Optical Society of America. Topological photonics has emerged as a novel approach to engineering the flow of light and provides unprecedented means for developing diverse photonic elements, including robust optical waveguides immune to stru...
Yasutomo Ota, Ryota Katsumi, Katsuyuki Watanabe, Feng Liu, Katsunori Wakabayashi, Satoshi Iwamoto, Yasuhiko Arakawa
2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings May 2019
© 2019 The Author(s) 2019 OSA. We demonstrate a photonic crystal nanocavity based on a topological corner state. The design exploits the hierarchical bulk-edge-corner correspondence for the two-dimensional photonic crystal, opening a deterministic...
Feng Liu, Hai Yao Deng, Katsunori Wakabayashi
Physical Review Letters 122 Mar 2019
© 2019 American Physical Society. A topological electric quadrupole is a recently proposed concept that extends the theory of electric polarization of crystals to higher orders. Such a quadrupole phase supports topological states localized on both...
Tomoaki Kameda, Feng Liu, Sudipta Dutta, Katsunori Wakabayashi
Physical Review B 99 Feb 2019
© 2019 American Physical Society. In crystalline systems, charge polarization is related to the Zak phase determined by bulk band topology. Nontrivial charge polarization induces robust edge states accompanied by fractional charge. In the Su-Schri...
Anh D. Phan, Nam B. Le, T. H. Lien Nghiem, Lilia M. Woods, Satoshi Ishii, Katsunori Wakabayashi
Physical Chemistry Chemical Physics 21 19915-19919 Jan 2019
© 2019 the Owner Societies. We propose a theoretical approach to describe quantitatively the heating process in aqueous solutions of dispersed TiN nanoparticles under solar illumination. The temperature gradients of the solution with different con...
Feng Liu, Katsunori Wakabayashi
Japanese Journal of Applied Physics 58 Jan 2019
© 2019 The Japan Society of Applied Physics. Weyl semimetal (WSM) is a novel topological phase of matter that broadens classifications of topological solid-state materials beyond insulators. WSM features robust surface states that connect pairs of...
Anh D. Phan, Justyna Knapik-Kowalczuk, Marian Paluch, Trinh X. Hoang, Katsunori Wakabayashi
Molecular Pharmaceutics 16 2992-2998 Jan 2019
© 2019 American Chemical Society. We propose a simple approach to investigate the structural relaxation time and glass transition of amorphous drugs. Amorphous materials are modeled as a set of equal sized hard spheres. The structural relaxation t...
Yasutomo Ota, Ryota Katsumi, Katsuyuki Watanabe, Feng Liu, Katsunori Wakabayashi, Satoshi Iwamoto, Yasuhiko Arakawa
Optics InfoBase Conference Papers Part F129-CLEO_SI 2019 Jan 2019
© 2019 The Author(s) We demonstrate a photonic crystal nanocavity based on a topological corner state. The design exploits the hierarchical bulk-edge-corner correspondence for the two-dimensional photonic crystal, opening a deterministic route to ...
Phan Anh D., Le Nam B., Lien Nghiem T. H., Wakabayashi Katsunori
JOURNAL OF PHYSICAL CHEMISTRY C 122(34) 19801-19806 Aug 2018 [Refereed]
Das Soumya Ranjan, Wakabayashi Katsunori, Yamamoto Mahito, Tsukagoshi Kazuhito, Dutta Sudipta
JOURNAL OF PHYSICAL CHEMISTRY C 122(29) 17001-17007 Jul 2018 [Refereed]
Fujii Yasumaru, Maruyama Mina, Wakabayashi Katsunori, Nakada Kyoko, Okada Susumu
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 87(3) Mar 2018 [Refereed]
Liu Feng, Deng Hai-Yao, Wakabayashi Katsunori
PHYSICAL REVIEW B 97(3) Jan 2018 [Refereed]
Liu Feng, Yamamoto Minori, Wakabayashi Katsunori
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 86(12) Dec 2017 [Refereed]
Yoshiki Imai, Katsunori Wakabayashi, Manfred Sigrist
Journal of Physics: Conference Series 807 Apr 2017
The thermal Hall conductivity is investigated for the superconductor Sr2RuO4 assuming a time reversal symmetry breaking order parameter. The γ band of Sr2RuO4 has its Fermi level near the van Hove points, close to the Lifshitz transition. Within a...
Liu F, Wakabayashi K.
Physical Review Letters 118(7) 2017 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Physical Review B - Condensed Matter and Materials Physics 95(2) 2017 [Refereed]
Deng H.-Y, Wakabayashi K, Lam C.-H.
Physical Review B - Condensed Matter and Materials Physics 95(4) 2017 [Refereed]
Liu F, Nakajima Y, Wakabayashi K.
Applied Physics Express 9(8) 2016 [Refereed]
Deng H.-Y, Liu F, Wakabayashi K.
EPL 114(3) 2016 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Physical Review B - Condensed Matter and Materials Physics 93(2) 2016 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Journal of the Physical Society of Japan 85(11) 2016 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Physics Procedia 75 150-157 2015 [Refereed]
Dutta S, Wakabayashi K.
Scientific Reports 5 2015 [Refereed]
Dutta S, Wakabayashi K.
Physical Review B - Condensed Matter and Materials Physics 91(20) 2015 [Refereed]
Shrestha L.K, Shrestha R.G, Yamauchi Y, Hill J.P, Nishimura T, Miyazawa K, Kawai T, Okada S, Wakabayashi K, Ariga K.
Angewandte Chemie - International Edition 54(3) 951-955 2015 [Refereed]
Deng H.-Y, Wakabayashi K.
Physical Review B - Condensed Matter and Materials Physics 92(4) 2015 [Refereed]
Yamamoto M, Suizu R, Dutta S, Mishra P, Nakayama T, Sakamoto K, Wakabayashi K, Uchihashi T, Awaga K.
Scientific Reports 5 2015 [Refereed]
Yamamoto M, Dutta S, Aikawa S, Nakaharai S, Wakabayashi K, Fuhrer M.S, Ueno K, Tsukagoshi K.
Nano Letters 15(3) 2067-2073 2015 [Refereed]
Deng H.-Y, Wakabayashi K.
Physical Review B - Condensed Matter and Materials Physics 91(3) 2015 [Refereed]
Deng H.-Y, Wakabayashi K.
Physical Review B - Condensed Matter and Materials Physics 90(4) 2014 [Refereed]
Deng H.-Y, Wakabayashi K.
Physical Review B - Condensed Matter and Materials Physics 90(11) 2014 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Journal of the Physical Society of Japan 83(12) 2014 [Refereed]
Deng H.-Y, Wakabayashi K, Lam C.-H.
Physical Review B - Condensed Matter and Materials Physics 89(4) 2014 [Refereed]
Dutta S, Wakabayashi K.
Japanese Journal of Applied Physics 53(6 SPEC. ISSUE) 2014 [Refereed]
Ni M.-Y, Wakabayashi K.
Japanese Journal of Applied Physics 53(6 SPEC. ISSUE) 2014 [Refereed]
Yamamoto M, Wang S.T, Ni M, Lin Y.-F, Li S.-L, Aikawa S, Jian W.-B, Ueno K, Wakabayashi K, Tsukagoshi K.
ACS Nano 8(4) 3895-3903 2014 [Refereed]
Hosono K, Wakabayashi K.
Japanese Journal of Applied Physics 53(6 SPEC. ISSUE) 2014 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Journal of Physics: Conference Series 592(1) 2014 [Refereed]
Hosono K, Wakabayashi K.
Applied Physics Letters 103(3) 2013 [Refereed]
Dutta S, Wakabayashi K.
Journal of Materials Chemistry C 1(32) 4854-4857 2013 [Refereed]
Dutta S, Wakabayashi K.
AIP Conference Proceedings 1566 153-154 2013 [Refereed]
Deng H.-Y, Wakabayashi K, Lam C.-H.
Journal of the Physical Society of Japan 82(10) 2013 [Refereed]
Li S.-L, Wakabayashi K, Xu Y, Nakaharai S, Komatsu K, Li W.-W, Lin Y.-F, Aparecido-Ferreira A, Tsukagoshi K.
Nano Letters 13(8) 3546-3552 2013 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Physical Review B - Condensed Matter and Materials Physics 88(14) 2013 [Refereed]
Imai Y, Wakabayashi K, Sigrist M.
Journal of the Korean Physical Society 63(3) 470-474 2013 [Refereed]
Lee H, Wakabayashi K, Son Y.-W, Miyamoto Y.
Carbon 50(10) 3454-3458 2012 [Refereed]
Dutta Sudipta, Wakabayashi Katsunori
Journal of Materials Chemistry 22(39) 20881-20884 2012 [Refereed]
Wakabayashi K.
NanoScience and Technology 57 277-299 2012 [Refereed]
Wakabayashi K.
Physics and Chemistry of Graphene: Graphene to Nanographene 207-288 2012 [Refereed]
Books etc
Materials Nanoarchitectonics
Katsunori Wakabayashi (Part:Contributor, Chapter 5: Graphene Nanotechnology)
Wiley‐VCH Verlag GmbH & Co. KGaA Jan 2018 ISBN:9783527808311
Graphene Nanoelectronics: Metrology, Synthesis, Properties and Applications
Katsunori Wakabayashi (Part:Contributor, Electronic properties of graphene nanoribbons)
Springer-Verlag Jan 2012 ISBN:978-3642204678
Physics and Chemistry of Graphene: Graphene to Nanographene
Katsunori Wakabayashi (Part:Contributor, Electronic properties of nanographene)
Pan Stanford Publishing 2012
Graphene and its Fascinating Attributes
Katsunori Wakabayashi (Part:Contributor, Electronic and Transport Properties of Graphene Nanoribbons)
Word Scientific Publishing 2011 ISBN:978-9814329354
Physics of Zero- and One-Dimensional Nanoscopic Systems
(Chapter contribution) Katsunori Wakabayashi
Springer Sep 2007 ISBN:3540726314
Carbon-based Magnetism -An overview of the magnetism of metal free carbon-based compounds and materials
(Chaper contribution) Katsunori Wakabayashi
Elsevier Mar 2006 ISBN:0444519475
Misc
Liu Feng, Yamamoto Minori, Wakabayashi Katsunori
Meeting Abstracts of the Physical Society of Japan 72(0) 1742-1742 2017
<p>Topology offers us a new dimension to understand and engineer the electronic properties of materials. In this talk, we show the nontrivial topological phase of graphene due to hopping texture and its related electronic properties.</p>
Imai Yoshiki, Wakabayashi Katsunori, Sigrist Manfred
Meeting Abstracts of the Physical Society of Japan 71(0) 1829-1829 2016
<p>本講演ではSr_2_RuO_4_を念頭に置いたスピン三重項超伝導体に対し、熱ホール伝導度の温度依存性とギャップ関数との関連性について議論する。タイトバインディング型ハミルトニアンを構築して平均場近似を用いて解析し、熱ホール伝導度と、超伝導ギャップおよびそのトポロジカルな性質の関わり合いについて述べる。</p>
Imai Yoshiki, Wakabayashi Katsunori, Sigrist Manfred
Meeting Abstracts of the Physical Society of Japan 70(0) 2015
Imai Yoshiki, Wakabayashi Katsunori, Sigrist Manfred
Meeting Abstracts of the Physical Society of Japan 69(0) 2014
Imai Yoshiki, Wakabayashi Katsunori, Sigrist Manfred
Meeting Abstracts of the Physical Society of Japan 69(0) 2014
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